Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 101.2 >
edited by Xiaoling
on 2022/10/13 16:38
To version < 110.2 >
edited by Xiaoling
on 2022/12/23 08:41
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -15,14 +15,15 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 22  
23 23  
23 +(((
24 24  The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25 25  )))
26 +)))
26 26  
27 27  (((
28 28  The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
... ... @@ -52,7 +52,6 @@
52 52  
53 53  )))
54 54  
55 -
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
... ... @@ -62,7 +62,7 @@
62 62  )))
63 63  
64 64  * (((
65 -STM32L072CZT6 MCU
65 +STM32L072xxxx MCU
66 66  )))
67 67  * (((
68 68  SX1276/78 Wireless Chip 
... ... @@ -169,7 +169,6 @@
169 169  Packet engine up to 256 bytes with CRC.
170 170  
171 171  
172 -
173 173  
174 174  )))
175 175  
... ... @@ -217,7 +217,9 @@
217 217  = 2. Power ON Device =
218 218  
219 219  
219 +(((
220 220  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
221 +)))
221 221  
222 222  (((
223 223  PWR will on when device is properly powered.
... ... @@ -228,10 +228,8 @@
228 228  [[image:1653297104069-180.png]]
229 229  
230 230  
231 -
232 232  = 3. Operation Mode =
233 233  
234 -
235 235  == 3.1 How it works? ==
236 236  
237 237  
... ... @@ -244,7 +244,6 @@
244 244  )))
245 245  
246 246  
247 -
248 248  == 3.2 Example to join LoRaWAN network ==
249 249  
250 250  
... ... @@ -276,12 +276,12 @@
276 276  
277 277  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
278 278  
279 -Add APP EUI in the application.
277 +**Add APP EUI in the application.**
280 280  
281 281  [[image:1653297955910-247.png||height="321" width="716"]]
282 282  
283 283  
284 -Add APP KEY and DEV EUI
282 +**Add APP KEY and DEV EUI**
285 285  
286 286  [[image:1653298023685-319.png]]
287 287  
... ... @@ -289,12 +289,13 @@
289 289  
290 290  (((
291 291  (% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
290 +
291 +
292 292  )))
293 293  
294 294  [[image:1653298044601-602.png||height="405" width="709"]]
295 295  
296 296  
297 -
298 298  == 3.3 Uplink Payload ==
299 299  
300 300  
... ... @@ -312,7 +312,9 @@
312 312  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
313 313  
314 314  
314 +(((
315 315  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
316 +)))
316 316  
317 317  [[image:image-20220523174024-3.png]]
318 318  
... ... @@ -348,8 +348,6 @@
348 348  * [1] RO1 relay channel is close and the RO1 LED is ON.
349 349  * [0] RO2 relay channel is open and RO2 LED is OFF;
350 350  
351 -
352 -
353 353  **LT22222-L:**
354 354  
355 355  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -366,10 +366,13 @@
366 366  ** DO1 LED is off in both case
367 367  
368 368  
368 +
369 369  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
370 370  
371 371  
372 +(((
372 372  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
374 +)))
373 373  
374 374  (((
375 375  Total : 11 bytes payload
... ... @@ -401,11 +401,15 @@
401 401  (% class="box infomessage" %)
402 402  (((
403 403  (((
406 +(((
404 404  **AT+MOD=2**
408 +)))
405 405  
410 +(((
406 406  **ATZ**
407 407  )))
408 408  )))
414 +)))
409 409  
410 410  (((
411 411  
... ... @@ -433,7 +433,6 @@
433 433  )))
434 434  
435 435  
436 -
437 437  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
438 438  
439 439  
... ... @@ -465,11 +465,15 @@
465 465  (% class="box infomessage" %)
466 466  (((
467 467  (((
473 +(((
468 468  **AT+MOD=3**
475 +)))
469 469  
477 +(((
470 470  **ATZ**
471 471  )))
472 472  )))
481 +)))
473 473  
474 474  (((
475 475  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -476,13 +476,16 @@
476 476  )))
477 477  
478 478  
479 -
480 480  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
481 481  
482 482  
491 +(((
483 483  **LT22222-L**: This mode the DI1 is used as a counting pin.
493 +)))
484 484  
495 +(((
485 485  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
497 +)))
486 486  
487 487  [[image:image-20220523181903-8.png]]
488 488  
... ... @@ -510,14 +510,17 @@
510 510  (% class="box infomessage" %)
511 511  (((
512 512  (((
525 +(((
513 513  **AT+MOD=4**
527 +)))
514 514  
529 +(((
515 515  **ATZ**
516 516  )))
517 517  )))
533 +)))
518 518  
519 519  
520 -
521 521  (((
522 522  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
523 523  )))
... ... @@ -538,7 +538,6 @@
538 538  )))
539 539  
540 540  
541 -
542 542  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
543 543  
544 544  
... ... @@ -571,11 +571,15 @@
571 571  (% class="box infomessage" %)
572 572  (((
573 573  (((
588 +(((
574 574  **AT+MOD=5**
590 +)))
575 575  
592 +(((
576 576  **ATZ**
577 577  )))
578 578  )))
596 +)))
579 579  
580 580  (((
581 581  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -582,7 +582,6 @@
582 582  )))
583 583  
584 584  
585 -
586 586  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
587 587  
588 588  
... ... @@ -722,8 +722,6 @@
722 722  When device got this command, it will send the MOD6 payload.
723 723  
724 724  
725 -
726 -
727 727  === 3.3.7 Payload Decoder ===
728 728  
729 729  (((
... ... @@ -733,19 +733,22 @@
733 733  )))
734 734  
735 735  
736 -
737 737  == 3.4 ​Configure LT via AT or Downlink ==
738 738  
739 739  
754 +(((
740 740  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
756 +)))
741 741  
742 742  (((
759 +(((
743 743  There are two kinds of Commands:
744 744  )))
762 +)))
745 745  
746 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
764 +* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
747 747  
748 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
766 +* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
749 749  
750 750  
751 751  
... ... @@ -752,13 +752,13 @@
752 752  === 3.4.1 Common Commands ===
753 753  
754 754  
773 +(((
755 755  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
775 +)))
756 756  
757 757  
758 -
759 759  === 3.4.2 Sensor related commands ===
760 760  
761 -
762 762  ==== 3.4.2.1 Set Transmit Interval ====
763 763  
764 764  
... ... @@ -766,7 +766,7 @@
766 766  
767 767  * (% style="color:#037691" %)**AT Command:**
768 768  
769 -**AT+TDC=N **
787 +(% style="color:blue" %)**AT+TDC=N **
770 770  
771 771  
772 772  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -774,11 +774,10 @@
774 774  
775 775  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
776 776  
777 -**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
795 +(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
778 778  
779 779  
780 780  
781 -
782 782  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
783 783  
784 784  
... ... @@ -786,7 +786,7 @@
786 786  
787 787  * (% style="color:#037691" %)**AT Command:**
788 788  
789 -**AT+MOD=N  **
806 +(% style="color:blue" %)**AT+MOD=N  **
790 790  
791 791  
792 792  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -794,11 +794,10 @@
794 794  
795 795  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
796 796  
797 -**0x0A aa    ** ~/~/ Same as AT+MOD=aa
814 +(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
798 798  
799 799  
800 800  
801 -
802 802  ==== 3.4.2.3 Poll an uplink ====
803 803  
804 804  
... ... @@ -809,7 +809,7 @@
809 809  
810 810  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
811 811  
812 -**0x08 FF     **~/~/ Poll an uplink
828 +(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
813 813  
814 814  
815 815  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -816,7 +816,6 @@
816 816  
817 817  
818 818  
819 -
820 820  ==== 3.4.2.4 Enable Trigger Mode ====
821 821  
822 822  
... ... @@ -824,20 +824,19 @@
824 824  
825 825  * (% style="color:#037691" %)**AT Command:**
826 826  
827 -**AT+ADDMOD6=1 or 0**
842 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
828 828  
829 -1: Enable Trigger Mode
844 +(% style="color:red" %)**1:** (%%)Enable Trigger Mode
830 830  
831 -0: Disable Trigger Mode
846 +(% style="color:red" %)**0: **(%%)Disable Trigger Mode
832 832  
833 833  
834 834  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
835 835  
836 -**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
851 +(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
837 837  
838 838  
839 839  
840 -
841 841  ==== 3.4.2.5 Poll trigger settings ====
842 842  
843 843  
... ... @@ -850,11 +850,10 @@
850 850  
851 851  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
852 852  
853 -**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
867 +(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
854 854  
855 855  
856 856  
857 -
858 858  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
859 859  
860 860  
... ... @@ -862,7 +862,7 @@
862 862  
863 863  * (% style="color:#037691" %)**AT Command:**
864 864  
865 -**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
878 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
866 866  
867 867  
868 868  **Example:**
... ... @@ -871,11 +871,10 @@
871 871  
872 872  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
873 873  
874 -**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
887 +(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
875 875  
876 876  
877 877  
878 -
879 879  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
880 880  
881 881  
... ... @@ -883,11 +883,11 @@
883 883  
884 884  * (% style="color:#037691" %)**AT Command:**
885 885  
886 -**AT+TRIG1=a,b**
898 +(% style="color:blue" %)**AT+TRIG1=a,b**
887 887  
888 -a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
900 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
889 889  
890 -b : delay timing.
902 +(% style="color:red" %)**b :** (%%)delay timing.
891 891  
892 892  
893 893  **Example:**
... ... @@ -896,10 +896,11 @@
896 896  
897 897  
898 898  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
899 -* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
900 900  
912 +(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
901 901  
902 902  
915 +
903 903  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
904 904  
905 905  
... ... @@ -907,14 +907,13 @@
907 907  
908 908  * (% style="color:#037691" %)**AT Command:**
909 909  
910 -**AT+TRIG2=a,b**
923 +(% style="color:blue" %)**AT+TRIG2=a,b**
911 911  
925 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
912 912  
913 -a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
927 +(% style="color:red" %)**b :** (%%)delay timing.
914 914  
915 -b : delay timing.
916 916  
917 -
918 918  **Example:**
919 919  
920 920  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -922,11 +922,10 @@
922 922  
923 923  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
924 924  
925 -**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
937 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
926 926  
927 927  
928 928  
929 -
930 930  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
931 931  
932 932  
... ... @@ -934,16 +934,15 @@
934 934  
935 935  * (% style="color:#037691" %)**AT Command**
936 936  
937 -**AT+ACLIM**
948 +(% style="color:blue" %)**AT+ACLIM**
938 938  
939 939  
940 940  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
941 941  
942 -**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
953 +(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
943 943  
944 944  
945 945  
946 -
947 947  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
948 948  
949 949  
... ... @@ -951,16 +951,15 @@
951 951  
952 952  * (% style="color:#037691" %)**AT Command**
953 953  
954 -**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
964 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
955 955  
956 956  
957 957  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
958 958  
959 -**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
969 +(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
960 960  
961 961  
962 962  
963 -
964 964  ==== 3.4.2.11 Trigger – Set minimum interval ====
965 965  
966 966  
... ... @@ -968,12 +968,12 @@
968 968  
969 969  * (% style="color:#037691" %)**AT Command**
970 970  
971 -**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
980 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
972 972  
973 973  
974 974  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
975 975  
976 -**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
985 +(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
977 977  
978 978  (((
979 979  
... ... @@ -983,7 +983,6 @@
983 983  
984 984  
985 985  
986 -
987 987  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
988 988  
989 989  
... ... @@ -993,7 +993,7 @@
993 993  
994 994  
995 995  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
996 -* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1004 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
997 997  
998 998  (((
999 999  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1015,7 +1015,6 @@
1015 1015  
1016 1016  
1017 1017  
1018 -
1019 1019  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1020 1020  
1021 1021  
... ... @@ -1026,7 +1026,7 @@
1026 1026  
1027 1027  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1028 1028  
1029 -**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1036 +(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1030 1030  
1031 1031  
1032 1032  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1059,6 +1059,13 @@
1059 1059  
1060 1060   Latching time. Unit: ms
1061 1061  
1069 +Note:
1070 +
1071 + Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1072 +
1073 + Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1074 +
1075 +
1062 1062  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1063 1063  
1064 1064  
... ... @@ -1082,7 +1082,6 @@
1082 1082  
1083 1083  
1084 1084  
1085 -
1086 1086  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1087 1087  
1088 1088  
... ... @@ -1093,7 +1093,7 @@
1093 1093  
1094 1094  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1095 1095  
1096 -**0x03 aa bb     **~/~/ Set RO1/RO2 output
1109 +(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1097 1097  
1098 1098  
1099 1099  (((
... ... @@ -1112,7 +1112,6 @@
1112 1112  
1113 1113  
1114 1114  
1115 -
1116 1116  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1117 1117  
1118 1118  
... ... @@ -1123,7 +1123,7 @@
1123 1123  
1124 1124  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1125 1125  
1126 -**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1138 +(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1127 1127  
1128 1128  
1129 1129  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1144,6 +1144,13 @@
1144 1144  
1145 1145  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1146 1146  
1159 +Note:
1160 +
1161 + Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1162 +
1163 + Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1164 +
1165 +
1147 1147  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1148 1148  
1149 1149  
... ... @@ -1174,39 +1174,33 @@
1174 1174  
1175 1175  * (% style="color:#037691" %)**AT Command:**
1176 1176  
1177 -**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1196 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1178 1178  
1179 1179  
1180 1180  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1181 1181  
1182 -**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1201 +(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1183 1183  
1184 1184  
1185 1185  
1186 -
1187 1187  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1188 1188  
1189 1189  
1190 1190  * (% style="color:#037691" %)**AT Command:**
1191 1191  
1192 -**AT+SETCNT=aa,(bb cc dd ee) **
1210 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1193 1193  
1194 -aa: 1: Set count1,
1212 +(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1195 1195  
1196 -2: Set count2,
1214 +(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1197 1197  
1198 -3: Set AV1 count
1199 1199  
1200 -Bb cc dd ee: number to be set
1201 -
1202 -
1203 1203  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1204 1204  
1205 -**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1219 +(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1206 1206  
1207 1207  
1208 1208  
1209 -
1210 1210  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1211 1211  
1212 1212  
... ... @@ -1214,114 +1214,104 @@
1214 1214  
1215 1215  * (% style="color:#037691" %)**AT Command:**
1216 1216  
1217 -**AT+CLRCOUNT ** ~/~/ clear all counting
1230 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1218 1218  
1219 1219  
1220 1220  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1221 1221  
1222 -**0x A6 01    ** ~/~/ clear all counting
1235 +(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1223 1223  
1224 1224  
1225 1225  
1226 -
1227 1227  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1228 1228  
1229 1229  
1230 1230  * (% style="color:#037691" %)**AT Command:**
1231 1231  
1232 -**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1244 +(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1233 1233  
1234 1234  
1235 1235  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1236 1236  
1237 -**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1249 +(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1238 1238  
1239 1239  (((
1240 1240  range: aa bb cc:0 to 16777215,  (unit:second)
1253 +)))
1241 1241  
1242 1242  
1243 1243  
1244 -
1245 -)))
1257 +==== 3.4.2.20 Reset save RO DO state ====
1246 1246  
1247 -==== 3.4.2.20 Reset save DR DO state ====
1248 1248  
1249 -
1250 1250  * (% style="color:#037691" %)**AT Command:**
1251 1251  
1252 -**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1262 +(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1253 1253  
1254 -**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1264 +(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1255 1255  
1256 1256  
1257 1257  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1258 1258  
1259 -**0x AD aa      **~/~/ same as AT+RODORET =aa
1269 +(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1260 1260  
1261 -(((
1262 -
1263 1263  
1264 1264  
1265 -
1266 1266  ==== 3.4.2.21 Encrypted payload ====
1267 1267  
1268 1268  
1269 1269  * (% style="color:#037691" %)**AT Command:**
1270 1270  
1271 -**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1278 +(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1272 1272  
1273 -**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1280 +(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1274 1274  
1275 1275  
1276 1276  
1277 -
1278 1278  ==== 3.4.2.22 Get sensor value ====
1279 1279  
1280 1280  
1281 1281  * (% style="color:#037691" %)**AT Command:**
1282 1282  
1283 -**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1289 +(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1284 1284  
1285 -**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1291 +(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1286 1286  
1287 1287  
1288 1288  
1289 -
1290 1290  ==== 3.4.2.23 Resets the downlink packet count ====
1291 1291  
1292 1292  
1293 1293  * (% style="color:#037691" %)**AT Command:**
1294 1294  
1295 -**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1300 +(% style="color:blue" %)**AT+DISFCNTCHECK=0   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1296 1296  
1297 -**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1302 +(% style="color:blue" %)**AT+DISFCNTCHECK=1   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1298 1298  
1299 1299  
1300 1300  
1301 -
1302 1302  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1303 1303  
1304 1304  
1305 1305  * (% style="color:#037691" %)**AT Command:**
1306 1306  
1307 - **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1311 +(% style="color:blue" %)**AT+DISMACANS=0**   (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1308 1308  
1309 - **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1313 +(% style="color:blue" %)**AT+DISMACANS=1**  (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1310 1310  
1311 1311  
1312 1312  * (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1313 1313  
1314 -**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1318 +(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1315 1315  
1316 1316  
1317 1317  
1318 -
1319 1319  ==== 3.4.2.25 Copy downlink to uplink ====
1320 1320  
1321 1321  
1322 1322  * (% style="color:#037691" %)**AT Command**(%%)**:**
1323 1323  
1324 - **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1327 +(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1325 1325  
1326 1326  Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1327 1327  
... ... @@ -1344,7 +1344,7 @@
1344 1344  * (((
1345 1345  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1346 1346  
1347 -**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1350 +(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1348 1348  
1349 1349  
1350 1350  )))
... ... @@ -1354,9 +1354,6 @@
1354 1354  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1355 1355  
1356 1356  
1357 -
1358 -)))
1359 -
1360 1360  == 3.5 Integrate with Mydevice ==
1361 1361  
1362 1362  
... ... @@ -1406,10 +1406,8 @@
1406 1406  [[image:image-20220524094909-5.png||height="341" width="734"]]
1407 1407  
1408 1408  
1409 -
1410 1410  == 3.6 Interface Detail ==
1411 1411  
1412 -
1413 1413  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1414 1414  
1415 1415  
... ... @@ -1418,7 +1418,6 @@
1418 1418  [[image:1653356991268-289.png]]
1419 1419  
1420 1420  
1421 -
1422 1422  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1423 1423  
1424 1424  
... ... @@ -1475,8 +1475,6 @@
1475 1475  
1476 1476  (((
1477 1477  
1478 -
1479 -
1480 1480  )))
1481 1481  
1482 1482  (((
... ... @@ -1508,8 +1508,6 @@
1508 1508  
1509 1509  (((
1510 1510  
1511 -
1512 -
1513 1513  )))
1514 1514  
1515 1515  (((
... ... @@ -1540,16 +1540,16 @@
1540 1540  )))
1541 1541  
1542 1542  
1543 -
1544 1544  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1545 1545  
1546 1546  
1547 -NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1539 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1548 1548  
1541 +Note: DO pins go to float when device is power off.
1542 +
1549 1549  [[image:1653357531600-905.png]]
1550 1550  
1551 1551  
1552 -
1553 1553  === 3.6.4 Analog Input Interface ===
1554 1554  
1555 1555  
... ... @@ -1565,13 +1565,13 @@
1565 1565  We take the wind speed sensor as an example for reference only.
1566 1566  
1567 1567  
1568 -**Specifications of the wind speed sensor:**
1561 +(% style="color:blue" %)**Specifications of the wind speed sensor:**
1569 1569  
1570 -Red:  12~~24v
1563 +**Red:  12~~24v**
1571 1571  
1572 -Yellow:  4~~20mA
1565 +**Yellow:  4~~20mA**
1573 1573  
1574 -Black:  GND
1567 +**Black:  GND**
1575 1575  
1576 1576  
1577 1577  **Connection diagram:**
... ... @@ -1581,12 +1581,13 @@
1581 1581  [[image:1653357648330-671.png||height="155" width="733"]]
1582 1582  
1583 1583  
1584 -
1585 1585  === 3.6.5 Relay Output ===
1586 1586  
1587 1587  
1588 1588  (((
1589 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1581 +The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1582 +
1583 +**Note**: RO pins go to Open(NO) when device is power off.
1590 1590  )))
1591 1591  
1592 1592  [[image:image-20220524100215-9.png]]
... ... @@ -1595,7 +1595,6 @@
1595 1595  [[image:image-20220524100215-10.png||height="382" width="723"]]
1596 1596  
1597 1597  
1598 -
1599 1599  == 3.7 LEDs Indicators ==
1600 1600  
1601 1601  
... ... @@ -1602,15 +1602,19 @@
1602 1602  [[image:image-20220524100748-11.png]]
1603 1603  
1604 1604  
1605 -
1606 1606  = 4. Use AT Command =
1607 1607  
1608 -
1609 1609  == 4.1 Access AT Command ==
1610 1610  
1611 1611  
1603 +(((
1612 1612  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1605 +)))
1613 1613  
1607 +(((
1608 +
1609 +)))
1610 +
1614 1614  [[image:1653358238933-385.png]]
1615 1615  
1616 1616  
... ... @@ -1638,7 +1638,7 @@
1638 1638  )))
1639 1639  
1640 1640  (((
1641 -AT+<CMD>=?       : Get the value
1638 +AT+<CMD>=?       :  Get the value
1642 1642  )))
1643 1643  
1644 1644  (((
... ... @@ -1666,11 +1666,11 @@
1666 1666  )))
1667 1667  
1668 1668  (((
1669 -AT+APPSKEY: Get or Set the Application Session Key
1666 +AT+APPSKEY:  Get or Set the Application Session Key
1670 1670  )))
1671 1671  
1672 1672  (((
1673 -AT+APPEUI: Get or Set the Application EUI
1670 +AT+APPEUI:  Get or Set the Application EUI
1674 1674  )))
1675 1675  
1676 1676  (((
... ... @@ -1682,7 +1682,7 @@
1682 1682  )))
1683 1683  
1684 1684  (((
1685 -AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1682 +AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1686 1686  )))
1687 1687  
1688 1688  (((
... ... @@ -1718,7 +1718,7 @@
1718 1718  )))
1719 1719  
1720 1720  (((
1721 -AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1718 +AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1722 1722  )))
1723 1723  
1724 1724  (((
... ... @@ -1762,7 +1762,7 @@
1762 1762  )))
1763 1763  
1764 1764  (((
1765 -AT+VER: Get current image version and Frequency Band
1762 +AT+VER:  Get current image version and Frequency Band
1766 1766  )))
1767 1767  
1768 1768  (((
... ... @@ -1770,7 +1770,7 @@
1770 1770  )))
1771 1771  
1772 1772  (((
1773 -AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1770 +AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1774 1774  )))
1775 1775  
1776 1776  (((
... ... @@ -1810,107 +1810,108 @@
1810 1810  )))
1811 1811  
1812 1812  
1813 -
1814 1814  == 4.2 Common AT Command Sequence ==
1815 1815  
1816 -
1817 1817  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1818 1818  
1819 1819  (((
1820 1820  
1821 1821  
1822 -**If device has not joined network yet:**
1817 +(((
1818 +(% style="color:blue" %)**If device has not joined network yet:**
1823 1823  )))
1820 +)))
1824 1824  
1825 1825  (((
1826 -(% style="background-color:#dcdcdc" %)123456
1823 +(% style="background-color:#dcdcdc" %)**123456**
1827 1827  )))
1828 1828  
1829 1829  (((
1830 -(% style="background-color:#dcdcdc" %)AT+FDR
1827 +(% style="background-color:#dcdcdc" %)**AT+FDR**
1831 1831  )))
1832 1832  
1833 1833  (((
1834 -(% style="background-color:#dcdcdc" %)123456
1831 +(% style="background-color:#dcdcdc" %)**123456**
1835 1835  )))
1836 1836  
1837 1837  (((
1838 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1835 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1839 1839  )))
1840 1840  
1841 1841  (((
1842 -(% style="background-color:#dcdcdc" %)ATZ
1839 +(% style="background-color:#dcdcdc" %)**ATZ**
1843 1843  )))
1844 1844  
1845 1845  
1846 1846  (((
1847 -**If device already joined network:**
1844 +(% style="color:blue" %)**If device already joined network:**
1848 1848  )))
1849 1849  
1850 1850  (((
1851 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1848 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1852 1852  )))
1853 1853  
1854 1854  (((
1855 -(% style="background-color:#dcdcdc" %)ATZ
1852 +(% style="background-color:#dcdcdc" %)**ATZ**
1856 1856  )))
1857 1857  
1858 1858  
1859 -
1860 1860  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1861 1861  
1862 1862  (((
1863 1863  
1864 1864  
1865 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1861 +(((
1862 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1866 1866  )))
1864 +)))
1867 1867  
1868 1868  (((
1869 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1867 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1870 1870  )))
1871 1871  
1872 1872  (((
1873 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1871 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1874 1874  )))
1875 1875  
1876 1876  (((
1877 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1875 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1878 1878  )))
1879 1879  
1880 1880  (((
1881 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1879 +(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1882 1882  )))
1883 1883  
1884 1884  (((
1885 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1883 +(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1886 1886  )))
1887 1887  
1888 1888  (((
1889 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1887 +(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1890 1890  )))
1891 1891  
1892 1892  (((
1893 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1891 +(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1894 1894  )))
1895 1895  
1896 1896  (((
1897 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1895 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1898 1898  )))
1899 1899  
1900 1900  (((
1901 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1899 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1902 1902  )))
1903 1903  
1904 1904  (((
1905 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1903 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1906 1906  )))
1907 1907  
1908 1908  (((
1909 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1907 +(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1910 1910  )))
1911 1911  
1912 1912  (((
1913 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1911 +(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1914 1914  
1915 1915  
1916 1916  )))
... ... @@ -1920,11 +1920,15 @@
1920 1920  )))
1921 1921  
1922 1922  (((
1923 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1924 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1925 -3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1926 -4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1921 +**~1. Make sure the device is set to ABP mode in the IoT Server.**
1927 1927  
1923 +**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1924 +
1925 +**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
1926 +dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1927 +
1928 +**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
1929 +
1928 1928  
1929 1929  )))
1930 1930  
... ... @@ -1936,19 +1936,19 @@
1936 1936  
1937 1937  )))
1938 1938  
1939 -
1940 1940  === 4.2.3 Change to Class A ===
1941 1941  
1942 1942  
1943 -If sensor JOINED
1944 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1945 -ATZ
1944 +(((
1945 +(% style="color:blue" %)**If sensor JOINED:**
1946 1946  
1947 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1948 +ATZ**
1949 +)))
1947 1947  
1948 1948  
1949 1949  = 5. FAQ =
1950 1950  
1951 -
1952 1952  == 5.1 How to upgrade the image? ==
1953 1953  
1954 1954  
... ... @@ -1969,8 +1969,10 @@
1969 1969  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1970 1970  
1971 1971  
1974 +(((
1972 1972  (% style="color:blue" %)**For LT-22222-L**(%%):
1973 1973  Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1977 +)))
1974 1974  
1975 1975  
1976 1976  )))
... ... @@ -1990,8 +1990,6 @@
1990 1990  
1991 1991  (((
1992 1992  (((
1993 -
1994 -
1995 1995  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1996 1996  
1997 1997  
... ... @@ -2005,7 +2005,6 @@
2005 2005  (((
2006 2006  
2007 2007  
2008 -
2009 2009  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2010 2010  
2011 2011  
... ... @@ -2021,7 +2021,6 @@
2021 2021  (((
2022 2022  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2023 2023  
2024 -
2025 2025  
2026 2026  )))
2027 2027  )))
... ... @@ -2051,16 +2051,15 @@
2051 2051  )))
2052 2052  
2053 2053  (((
2054 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2055 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
2056 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2057 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
2058 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
2059 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
2060 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
2061 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
2062 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
2063 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2054 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2055 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2056 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2057 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2058 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2059 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2060 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2061 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2062 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2064 2064  )))
2065 2065  
2066 2066  
... ... @@ -2071,7 +2071,6 @@
2071 2071  [[image:1653360498588-932.png||height="485" width="726"]]
2072 2072  
2073 2073  
2074 -
2075 2075  == 5.4 Can I see counting event in Serial? ==
2076 2076  
2077 2077  
... ... @@ -2079,13 +2079,11 @@
2079 2079  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2080 2080  
2081 2081  
2082 -
2083 2083  == 5.5 Can i use point to point communication for LT-22222-L? ==
2084 2084  
2085 2085  
2086 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2083 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2087 2087  
2088 -
2089 2089  
2090 2090  )))
2091 2091  
... ... @@ -2104,15 +2104,20 @@
2104 2104  
2105 2105  == 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2106 2106  
2103 +
2107 2107  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2108 2108  
2106 +
2109 2109  [[image:image-20221006170630-1.png||height="610" width="945"]]
2110 2110  
2111 2111  
2110 +== 5.8 Can LT22222-L save RO state? ==
2112 2112  
2113 -= 6. Trouble Shooting =
2114 2114  
2115 -
2113 +Firmware version needs to be no less than 1.6.0.
2114 +
2115 +
2116 += 6. Trouble Shooting =
2116 2116  )))
2117 2117  
2118 2118  (((
... ... @@ -2130,7 +2130,6 @@
2130 2130  (((
2131 2131  
2132 2132  
2133 -
2134 2134  == 6.2 Have trouble to upload image. ==
2135 2135  
2136 2136  
... ... @@ -2143,7 +2143,6 @@
2143 2143  (((
2144 2144  
2145 2145  
2146 -
2147 2147  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2148 2148  
2149 2149  
... ... @@ -2154,7 +2154,6 @@
2154 2154  )))
2155 2155  
2156 2156  
2157 -
2158 2158  = 7. Order Info =
2159 2159  
2160 2160  
... ... @@ -2203,7 +2203,6 @@
2203 2203  Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2204 2204  
2205 2205  
2206 -
2207 2207  
2208 2208  )))
2209 2209  
... ... @@ -2213,3 +2213,6 @@
2213 2213  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2214 2214  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2215 2215  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2213 +
2214 +
2215 +
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